From b6c147622d31272f9728da9ec16d146bf8c45a74 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Mon, 21 May 2012 13:06:54 +0200
Subject: [PATCH] qcow2: don't leak buffer for unexpected qcow_version in
 header

Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/qcow2.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/block/qcow2.c b/block/qcow2.c
index 655799c6a0f..c2e49cded36 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -919,7 +919,8 @@ int qcow2_update_header(BlockDriverState *bs)
         ret = sizeof(*header);
         break;
     default:
-        return -EINVAL;
+        ret = -EINVAL;
+        goto fail;
     }
 
     buf += ret;
-- 
2.39.5